/Engine/Plugins/Importers/USDImporter/Source/USDUtilities/Public/USDConversionUtils.h
Gets the strongest direct reference on Prim with the given FileExtension. Returns true if there was one.
namespace UsdUtils { bool UsdUtils::GetReferenceFilePath ( const [UE::FUsdPrim](API\Plugins\UnrealUSDWrapper\UsdWrappers\FUsdPrim) & Prim, const [FString](API\Runtime\Core\Containers\FString) & FileExtension, [FString](API\Runtime\Core\Containers\FString) & OutReferenceFilePath ) }